What are the materials of carbon steel tubes?

Carbon steel tubes are made of steel ingots or solid round steel through perforation into rough pipes, and then hot rolled, cold rolled or cold drawn. Carbon steel pipes play an important role in my country's steel pipe industry. Carbon steel tubes can be divided into seamless tubes and welded tubes according to the manufacturing process. So, what are the materials of carbon steel pipes produced by Chinese steel pipe manufacturers?

1. Q235 carbon structural steel tube

Q235 carbon structural steel tube is the most common material among carbon steel pipes. It has good plasticity and welding properties, and is suitable for general-purpose low-pressure fluid transportation, machinery manufacturing and other fields. The material has a low carbon content, moderate strength, and a relatively low price, making it an economical and practical choice.

2. Q345 low alloy steel tube
Q345 low alloy steel pipe is a high-strength, low-alloy carbon steel tube. Compared with Q235 steel pipe, Q345 steel pipe has higher tensile strength and yield strength, and better corrosion resistance. It is widely used in large-scale construction projects, bridges, machinery manufacturing and other fields, and withstands greater pressure and load.

3. 20# Carbon steel tube

20# Carbon steel tube is a common carbon structural steel tube with a high carbon content. It has good hardness and strength and is suitable for manufacturing mechanical parts, engineering structures and other fields. Due to its good processing performance, it is widely used in automobile and motorcycle manufacturing.

4. 45# Carbon steel tube

45# Carbon steel tube is a high-carbon steel tube with a high carbon content. It has high hardness and strength and is suitable for manufacturing mechanical parts with high strength requirements, such as bearings, gears, etc. At the same time, due to its good wear resistance, it is also widely used in the field of engineering machinery.

5. 16MN Alloy steel tube

16MN Alloy steel tube is a low-alloy high-strength structural steel tube. It has high yield strength and tensile strength, good wear resistance, and is suitable for engineering structures that bear large pressure and impact loads, such as bridges, transmission pipelines, etc.

6. 10#, 20# Seamless steel tube

10# and 20# Seamless steel tubes are two common seamless steel tube materials in carbon steel pipes. They have high strength and pressure resistance and are widely used in high-pressure pipelines in the fields of petroleum, chemical, natural gas, etc.

Read more:  Seamless Pipe Raw Material or Advantages and disadvantages of carbon steel pipe

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